TK 9588 then KE 24 at San Francisco
Portland (Oregon) → San Francisco → Seoul
Timetable, San Francisco time
15:15TK 9588 from Portland (Oregon) at the gate
11:45KE 24 to Seoul leaves the gatealso DL 7861
20 h 30 apart on the timetable, overnight
KE 24 leaves 20 h 30 after TK 9588 arrives on the timetable: more than half a day, so not a connection we count.